- Luminance Threshold
Luminance Threshold is a minimum luminance of a photoluminescent element in an exit sign for the sign to be deemed suitably visible for the puposes of identifying the location of exits (see Clause 2.5.2)
Luminance Threshold is a minimum luminance of a photoluminescent element in an exit sign for the sign to be deemed suitably visible for the puposes of identifying the location of exits (see Clause 2.5.2)
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